高技术制造业宏观周报：国信周频高技术制造业扩散指数温和向上

Group 1: Economic Indicators - Guosen's weekly high-tech manufacturing diffusion index A recorded 0.2, while index B was at 51.6, showing a slight upward trend[1] - The prices of acrylonitrile and lithium hexafluorophosphate increased, while dynamic random access memory (DRAM) prices fell, indicating mixed trends in the semiconductor industry[1] - Fixed asset investment year-on-year growth was 3.40%, retail sales growth was 4.80%, export growth was 12.70%, and M2 growth was 7.50%[1] Group 2: Price Trends - The price of acrylonitrile rose to 9,650 CNY/ton, an increase of 250 CNY/ton from the previous week[1] - DRAM prices decreased to 0.7910 USD, down by 0.019 USD from the previous week[1] - The price of lithium hexafluorophosphate increased to 58,500 CNY/ton, up by 120 CNY/ton from the previous week[1] Group 3: Industry Developments - The aerospace and new energy industries are experiencing improved sentiment, while the semiconductor industry's sentiment is declining[1] - On December 2, the U.S. government added over 140 Chinese companies to its trade restriction list, impacting various semiconductor products[1] - Apple partnered with Baidu to integrate its advanced AI model Ernie 4.0 into the domestic version of the iPhone, enhancing AI capabilities for users[1]